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rollbar

British  
/ ˈrəʊlˌbɑː /

noun

  1. a bar that reinforces the frame of a car, esp one used for racing, rallying, etc, to protect the driver if the car should turn over

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Brooks, like many rivals, long addressed this by putting firmer wedges on the medial side of many shoes’ midsoles, using a “progressive diagonal rollbar” on its flagship Adrenaline.

From Reuters

“GuideRails works better for that severe foot movement that causes knee torque than the rollbar did. GuideRails is a better system for running.”

From Reuters

Whether it would have helped Bianchi, whose car had the rear rollbar ripped off in the impact with the tractor and who appears to have suffered extreme G forces, remained an open question.

From Reuters

In Singapore we had the gearbox failure, at Suzuka a rear rollbar malfunction, before qualifying and in the race, and in Korea a rear rollbar failure.

From The Guardian

Hamilton's car had suffered a rear rollbar failure that destroyed its balance and ability to conserve its rubber.

From The Guardian